205324720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 497780640

約数和(自身を除く): 292455920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 59, 80, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 656, 820, 944, 1061, 1180, 1640, 2122, 2360, 2419, 3280, 4244, 4720, 4838, 5305, 8488, 9676, 10610, 12095, 16976, 19352, 21220, 24190, 38704, 42440, 43501, 48380, 62599, 84880, 87002, 96760, 125198, 174004, 193520, 217505, 250396, 312995, 348008, 435010, 500792, 625990, 696016, 870020, 1001584, 1251980, 1740040, 2503960, 2566559, 3480080, 5007920, 5133118, 10266236, 12832795, 20532472, 25665590, 41064944, 51331180, 102662360, 205324720]

約数ペア:

[(1, 205324720), (2, 102662360), (4, 51331180), (5, 41064944), (8, 25665590), (10, 20532472), (16, 12832795), (20, 10266236), (40, 5133118), (41, 5007920), (59, 3480080), (80, 2566559), (82, 2503960), (118, 1740040), (164, 1251980), (205, 1001584), (236, 870020), (295, 696016), (328, 625990), (410, 500792), (472, 435010), (590, 348008), (656, 312995), (820, 250396), (944, 217505), (1061, 193520), (1180, 174004), (1640, 125198), (2122, 96760), (2360, 87002), (2419, 84880), (3280, 62599), (4244, 48380), (4720, 43501), (4838, 42440), (5305, 38704), (8488, 24190), (9676, 21220), (10610, 19352), (12095, 16976)]